The night’s NBCSN-televised main card is headlined by the first title fight in World Series of Fighting history, as Josh “The People’s Warrior” Burkman (26-9) meets Steve Carl (20-3) for the promotion’s first welterweight belt.

The new matchups help to fill out World Series of Fighting 6’s preliminary card, which takes place Oct. 26 at BankUnited Center in Coral Gables, Fla., and precedes the evening’s NBSCN live network broadcast. The preliminary bouts stream on World Series of Fighting’s official website, WSOF.com.

Brazilian veteran Firmino has fought around the globe, including stints in Japanese promotions DREAM and PRIDE. Firmino currently boasts a three-fight win streak and recently picked up the Florida-based Championship Fighting Alliance’s lightweight title. He now meets Volkmann, a 10-time UFC veteran who debuted for World Series of Fighting in June, earning a dominating decision win over veteran grappler Lyle Beerbohm.

The 29-year-old LoBosco brings an undefeated mark to the cage. The Missouri-based athlete turned pro in 2011 and has since rattled off six-straight wins. Four of the wins have come by stoppage, including three victories that were earned in the first minute of the fight. He now gets the biggest test of his career in Brazilian veteran Mello. Fighting professionally since 2001, Mello is currently enjoying the longest win streak of his career with seven straight wins. An Imperial Athletics fighter, Mello’s career is dotted with the names of true MMA royalty in past opponents like Jose Aldo, Takanori Gomi and Masakazu Imanari, among others.

A former Brazilian jiu-jitsu world champion, Pimentel looks to rebound from the first loss of his professional MMA career, after falling short against Rick Glenn at March’s World Series of Fighting 2 event. He now meets Arizona’s Jade Porter, who trains at Power MMA Team. Porter makes his World Series of Fighting debut.

With the additions to the card, the full World Series of Fighting 6 lineup includes: